One example of Leonardo's artwork that demonstrate he was a master in this field was this painting. This painting is called "La Gioconda" in italian but in english it is " Mona Lisa ".
Who is Leonardo Da Vinci? Leonardo Da Vinci is a Renaissance Man. A Renaissance Man is a person who was well rounded and didn't focus on one thing. He did everything paintings, architecture, anatomy, musician, writer, and more. Leonardo is from Tuscan hill of Vinci, in the lower valley of Arno River in the territory of Florence. Leonardo studied poetry, anatomy, painting, architecture, enginering, music, and writing. He was born in April 15, 1452 and died on May 2, 1519. Leonardo studied in Verrocchio's workshop. 
He was educated in a studio reowned by florentine painter verrocchio. When he was 14 he was apprenticed to one of the most successful artist, verricchio. Leonardo DaVinci disicted humans to learn the structure and how it works.